[CentOS] LD_LIBRARY_PATH issues

Garrick Staples garrick at usc.edu
Fri Jul 6 03:26:58 UTC 2007


On Thu, Jul 05, 2007 at 06:42:54PM -0400, Jean Figarella alleged:
> Here is the thing. All workstations in the network have the /etc/profile
> modified and set up to call a profile script in the network that sets up
> variables that we need here. Here $LD_LIBRARY_PATH and other variables
> get set, fixed, or modified to support our development process. The
> weird thing is that while in a TTY the $LD_LIBRARY_PATH is fine and
> retains its value. But if I log in to the gui (KDE, GNOME) then the 
> $LD_LIBRARY_PATH is blank. I have greped the entire disk I can't find 
> where is the $LD_LIBRARY_PATH is being overwritten, if that is what is 
> happening.
> 
> Does anyone knows what's going on here?

Assuming gnome-terminal, I bet if you check "Run command as login shell"
in Edit->Profiles->Edit->Title and Command, you'll get what you want.

Btw, LD_LIBRARY_PATH is generally not what you want.  Unless you are
quite careful, it can break the runtime execution of *all* commands.  It
is only useful to temporarily override the default path, or overcome the
shortcomings of a pre-built proprietary binary.  If you use LD_RUN_PATH
instead, the path will be added to the binary's runtime path and will
execute correctly without any env vars.

Why LD_LIBRARY_PATH is bad:
http://xahlee.org/UnixResource_dir/_/ldpath.html

-- 
Garrick Staples, GNU/Linux HPCC SysAdmin
University of Southern California

Please avoid sending me Word or PowerPoint attachments.
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